CNN's recommended 15 of the world's happiest places
(CNN)Blue Monday, the day reputed to be the most depressing of the year for those in the Northern Hemisphere, is here once again.
This year, January 16 is supposedly a perfect storm of cruddy weather, mounting debt, post-holiday fatigue, back-to-work ennui and failed New Year's resolutions.
And while the "science" behind Blue Monday is...